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| – |
three
identification numbers are used:
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n |
mobile
station’s serial number (SN)
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– |
32-bit
binary number
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– |
uniquely
identifies a cellular unit
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– |
established
by manufacturer at the factory
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• |
8-bit
manufacturer code, assigned by FCC to manufacturer
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• |
6 bit
reserved (currently all 0)
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• |
18
bits serial number, assigned by manufacturer
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– |
should
not be easily alterable, burned into ROM
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n |
system
identification number (SID)
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– |
15-bit
binary number, uniquely identifies cellular system
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– |
FCC
assigns SID
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– |
mobile
station in the cell must transmit the SID
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n |
mobile
identification number (MIN)
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– |
digital
representation of mobile’s 10-digit telephone number
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